Received a call this morning. No message left.

I received 3 calls in a row from this number.  No voicemail was left.  I called the number later in the day and the female on the line answered by saying, "Hi, I am calling for Susan (my name)."  I hung up immediately because I didn't like that I was being called by an unknown/unlisted number without a professional greeting (hello, this is "xyz" company).  This seems like a scam or telemarketer ploy.

I received at least 5 calls back to back from this number. No vm was left. I have caller ID but it only showed that it is from Frisco, Texas and the phone number...not sure who it belongs to or who they are looking for, I've received a few more calls after the 5 in a row calls earlier...who is this?

I have received a total of 13 calls from this number. They are trying to sell car insurance at a "cheaper rate". Annoying!

My number is on the do not call list.
I have not requested any insurance quotes.